Adding a UINavigationController to a View in Code: Best Practices for Building Complex User Interfaces in iOS Development

Understanding iOS: How to Resolve the "Attempt to Present View Controller Whose View Is Not in the Window Hierarchy" Warning

Mastering Storyboards and View Controllers in iOS Development: A Comprehensive Guide for App Builders

Understanding View Controller Communication in iOS: Best Practices for Passing Variables Between View Controllers

Dealloc Not Called in Contained View Controllers: Understanding the Issue and Solutions

Based on the provided code snippet, I will write a complete example of how to use `UIViewControllers` and a `UISplitView` together with presenting modal view controllers.